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October 19, 2026

Will XDR replace SIEM?

A quick answer to a common question about security information and event management (SIEM).

Not on its own. Extended detection and response (XDR) handles endpoint and network detection well but typically lacks the log management, compliance, and cross-environment correlation scope that security information and event management (SIEM) covers. In practice, XDR capabilities are usually incorporated into broader AI-native security operations platforms rather than deployed alone.